Change Gemfile after new gem version is released

Gemfile

@@ -13,7 +13,7 @@ gem "gds-sso"
 gem "govspeak"
 gem "govuk_admin_template"
 gem "govuk_app_config"
-gem "govuk_publishing_components", git: "https://github.com/alphagov/govuk_publishing_components.git", branch: "upgrade-to-govuk-frontend-5.1", ref: "29e8b077cdc6f69493805b67cbbec856dde008ea"
+gem "govuk_publishing_components"
 gem "govuk_sidekiq"
 gem "has_scope"
 gem "html2text"

Gemfile.lock

@@ -1,19 +1,3 @@
-GIT
-  remote: https://github.com/alphagov/govuk_publishing_components.git
-  revision: 29e8b077cdc6f69493805b67cbbec856dde008ea
-  ref: 29e8b077cdc6f69493805b67cbbec856dde008ea
-  branch: upgrade-to-govuk-frontend-5.1
-  specs:
-    govuk_publishing_components (39.0.0)
-      govuk_app_config
-      govuk_personalisation (>= 0.7.0)
-      kramdown
-      plek
-      rails (>= 6)
-      rouge
-      sprockets (>= 3)
-      sprockets-rails
-
 GIT
   remote: https://github.com/alphagov/nested_form.git
   revision: ac43d8fe0cd3805b7309169ca8fbdd6a1527d9b5
@@ -241,6 +225,15 @@ GEM
     govuk_personalisation (0.16.0)
       plek (>= 1.9.0)
       rails (>= 6, < 8)
+    govuk_publishing_components (39.0.0)
+      govuk_app_config
+      govuk_personalisation (>= 0.7.0)
+      kramdown
+      plek
+      rails (>= 6)
+      rouge
+      sprockets (>= 3)
+      sprockets-rails
     govuk_schemas (5.0.4)
       faker (~> 3.4.1)
       json-schema (>= 2.8, < 4.4)
@@ -840,7 +833,7 @@ DEPENDENCIES
   govspeak
   govuk_admin_template
   govuk_app_config
-  govuk_publishing_components!
+  govuk_publishing_components
   govuk_schemas
   govuk_sidekiq
   govuk_test

app/assets/javascripts/modules/downtime_message.js

@@ -1,4 +1,4 @@
-//= require govuk_publishing_components/vendor/polyfills-govuk-frontend-v4/Element/prototype/closest
+//= require govuk_publishing_components/vendor/polyfills/closest
 
 window.GOVUK = window.GOVUK || {}
 window.GOVUK.Modules = window.GOVUK.Modules || {};